Saddleback Caterpillar

This spectacular fellow is the saddleback caterpillar, Acharia stimulea. It is named for that bright green “saddle” on its abdomen, but its most notable feature is the four tubercles (one on each “corner”), each featuring some serious-looking, spiky armament. The sharp spines on those tubercles are venomous, and will break off in your skin if…